Supernova Cosmology (Edward Wright)
Measuring the Curvature of the Universe by Measuring the Curvature of the Hubble Diagram

Can the Equivalence Principle be Violated?
Three chiral experimental violations of the Equivalence Principle are proposed: Eotvos experiment, Majorana balance, and simultaneous dual DSC calorimetric.

General relativity in the global positioning system (Neil Ashby)
effects of GR on GPS